CA1076814A - Method of slagging molten metal - Google Patents
Method of slagging molten metalInfo
- Publication number
- CA1076814A CA1076814A CA263,075A CA263075A CA1076814A CA 1076814 A CA1076814 A CA 1076814A CA 263075 A CA263075 A CA 263075A CA 1076814 A CA1076814 A CA 1076814A
- Authority
- CA
- Canada
- Prior art keywords
- slag
- vessel
- rabble
- bath
- rinsing gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 22
- 239000002893 slag Substances 0.000 claims abstract description 68
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 238000011282 treatment Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 230000001427 coherent effect Effects 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000000155 melt Substances 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 229910000805 Pig iron Inorganic materials 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006902 nitrogenation reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1545—Equipment for removing or retaining slag
- F27D3/1554—Equipment for removing or retaining slag for removing the slag from the surface of the melt
- F27D3/1563—Equipment for removing or retaining slag for removing the slag from the surface of the melt by the use of scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Charging Or Discharging (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752545262 DE2545262C2 (de) | 1975-10-09 | Verfahren zum Abschlacken von Metallschmelzen | |
| DE19752557362 DE2557362C3 (de) | 1975-12-19 | 1975-12-19 | Verfahren zum Abschlacken von Metallschmelzen |
| DE19752557361 DE2557361B2 (de) | 1975-12-19 | 1975-12-19 | Verfahren zum abschlacken von metallschmelzen |
| DE19762611203 DE2611203B1 (de) | 1976-03-17 | 1976-03-17 | Verfahren zum abschlacken von metallschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1076814A true CA1076814A (en) | 1980-05-06 |
Family
ID=27432033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA263,075A Expired CA1076814A (en) | 1975-10-09 | 1976-10-08 | Method of slagging molten metal |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4072505A (de) |
| JP (1) | JPS5284105A (de) |
| AT (1) | AT363502B (de) |
| CA (1) | CA1076814A (de) |
| FR (1) | FR2327322A1 (de) |
| GB (1) | GB1512501A (de) |
| IT (1) | IT1076818B (de) |
| LU (1) | LU75967A1 (de) |
| SE (1) | SE422242B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX169643B (es) * | 1985-04-12 | 1993-07-16 | Oronzio De Nora Impianti | Electrodo para procesos electroquimicos, procedimiento para su produccion y cuba de electrolisis conteniendo dicho electrodo |
| JPH07190639A (ja) * | 1993-12-27 | 1995-07-28 | Rozai Kogyo Kaisha Ltd | 溶湯処理装置 |
| RU2133653C1 (ru) * | 1998-02-03 | 1999-07-27 | Беседин Адольф Сергеевич | Устройство для удаления шлака с поверхности расплава |
| RU2316411C2 (ru) * | 2003-03-14 | 2008-02-10 | Александр Афанасьевич Звездин | Устройство для удаления шлака с поверхности расплава |
| CN1241704C (zh) * | 2003-12-15 | 2006-02-15 | 盛富春 | 一种铁水高效捞渣方法及其专用装置 |
| CN107893146A (zh) * | 2017-10-13 | 2018-04-10 | 江苏捷帝机器人股份有限公司 | 一种低温除渣促进剂 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1025922B (de) * | 1956-04-25 | 1958-03-13 | Hoesch Westfalenhuette Ag | Vorrichtung zum Abschlacken von Stahl- und Metallschmelzen in Konvertern |
| US2993780A (en) * | 1957-11-16 | 1961-07-25 | Siderurgie Fse Inst Rech | Method for treating steel in vacuo |
| US3761242A (en) * | 1958-12-02 | 1973-09-25 | Finkl & Sons Co | Method of treating molten metal by gas purging rhtough a porous plug |
| DE1433551A1 (de) * | 1962-11-19 | 1968-11-28 | Salzgitter Huettenwerk Ag | Pneumatische Abschlackungsvorrichtung |
| US3201224A (en) * | 1962-11-23 | 1965-08-17 | Midvale Heppenstall Company | Method of making cleaner alloy steels or the like |
| FR1355187A (fr) * | 1963-04-17 | 1964-03-13 | Hoesch Ag | Procédé pour enlever les scories de bains d'acier et de métal |
| US3340045A (en) * | 1964-08-05 | 1967-09-05 | G E Smith Inc | Methods of slag and metal treatment with perlite |
| US3689250A (en) * | 1969-10-31 | 1972-09-05 | Canada Steel Co | Controlled slag flow in an electric arc furnace |
| DE2250695A1 (de) * | 1972-10-16 | 1974-04-25 | Louise N V Sa | Vorrichtung zum abschlacken von giesspfannen |
-
1976
- 1976-09-16 AT AT0688076A patent/AT363502B/de not_active IP Right Cessation
- 1976-09-24 GB GB39768/76A patent/GB1512501A/en not_active Expired
- 1976-10-06 US US05/729,941 patent/US4072505A/en not_active Expired - Lifetime
- 1976-10-08 IT IT51661/76A patent/IT1076818B/it active
- 1976-10-08 FR FR7630359A patent/FR2327322A1/fr active Granted
- 1976-10-08 LU LU75967A patent/LU75967A1/xx unknown
- 1976-10-08 SE SE7611208A patent/SE422242B/xx unknown
- 1976-10-08 CA CA263,075A patent/CA1076814A/en not_active Expired
- 1976-10-09 JP JP12084776A patent/JPS5284105A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2327322A1 (fr) | 1977-05-06 |
| SE422242B (sv) | 1982-02-22 |
| AT363502B (de) | 1981-08-10 |
| JPS5284105A (en) | 1977-07-13 |
| US4072505A (en) | 1978-02-07 |
| ATA688076A (de) | 1981-01-15 |
| GB1512501A (en) | 1978-06-01 |
| LU75967A1 (de) | 1978-05-16 |
| IT1076818B (it) | 1985-04-27 |
| FR2327322B1 (de) | 1980-05-23 |
| SE7611208L (sv) | 1977-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |